Flying spot scanner for use in a color printing process simulati

Details Flying spot scanner for use in a color printing process simulati Flying spot scanner for use in a color printing process simulati

1981-03-03

1983-06-21

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 80, 358293, H04N 110, H04N 584

Patent

active

043896677

ABSTRACT:
A flying spot scanner for use in a color printing process simulating apparatus for scanning yellow, magenta, cyan and black separation films formed from a color original a color image of which is to be displayed on a color monitor. The flying spot scanner comprises a flat stage having rectangular transparent sections arranged side by side with their long sides adjacent to each other for receiving the color separation films; first and second cathode ray tubes for producing first and second scanning rasters, respectively arranged above the middle point of the first and second films and the middle point of the third and fourth films, respectively; first and second lens systems for projecting images of the first scanning raster produced on the first cathode ray tube onto the first and second color separation films, respectively; and third and fourth lens systems for projecting images of the second scanning raster of the second cathode ray tube onto the third and fourth color separation films, respectively. By driving the first and second flying spot tubes in synchronism with each other, the four color separation films are simultaneously scanned with rasters having very small distortional errors.

REFERENCES:
patent: 2790844 (1957-04-01), Neugebauer
patent: 2885463 (1959-05-01), Rydz
patent: 3100815 (1963-08-01), Drake
patent: 3621126 (1971-11-01), Taudt
patent: 3627908 (1971-12-01), Dailey
patent: 3800071 (1974-03-01), Reeber

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